California Water Indicators

Groundwater

Change in Groundwater Levels

Sustainable use of groundwater to meet long-term drinking water and agricultural needs.

Nitrate in Groundwater

Groundwater safe to drink, low/background concentrations of nitrate.

Perchlorate in Groundwater

Groundwater safe to drink, no measurable contamination by perchlorate.

Total Arsenic in Groundwater

Groundwater safe to drink, low/no arsenic.
Surface Water

Mercury in Fish Tissue

Mercury in fish below concentrations harmful to people eating traditional or subsistence amounts of fish and animals that rely fish.

Nitrate in Surface Water

Surface water safe to drink and aquatic ecosystem healthy, low/background concentrations of nitrate.

Perchlorate in Surface Water

Surface water safe to drink and for aquatic life, no measurable contamination by perchlorate.

Real-time Flow

Water flows in natural and managed water-ways support native aquatic/riparian life.

Real-time Water Temperature

Real time water temperature supports native aquatic life.

Stream Condition Index

Water-body condition supports healthy aquatic organism communities.

Trichloroethylene (TCE) in Surface Water

Surface water safe to drink, no measurable contamination by TCE.

Water Temperature

Water temperatures support native aquatic life.